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BU9829GUL-W_10 Datasheet, PDF (3/17 Pages) Rohm – WL-CSP EEPROM family SPI BUS
BU9829GUL-W
Technical Note
●Synchronous data input/output timing
VCC1
CSB
SCK
SI
SO
tON
tSCKS
tCSS
tSCKWL
tSCKWH
tDIS tDIH
Hi-Z
CSB
tRC
tFC
SCK
SI
SO
tPD
tOH
tCS
tCSH
tSCKH
tRO,tFO
tOZ
Hi-Z
Fig.1 Input timing
Fig.2 Input and output timing
SI data is latched into the chip at the rising edge of SCK clock.
Address and data must be transferred from MSB.
SO data toggles at the falling edge of SCK clock.
Output data toggles from MSB.
●AC condition
Parameter
Symbol
Min.
Limits
Typ.
Max.
Unit
Load Capacitance
CL
-
-
100
pF
Input Rise times
-
-
-
50
ns
Input Fall times
-
-
-
50
ns
Input Pulse Voltage
-
0.25Vcc1/0.75Vcc1
V
Input and Output Timing Reference Voltages
-
0.3VCc1/0.7Vcc1
V
●Pin configuration
●Pin function
C C1
B
B1
A
A1
C2
C3
B2
B3
INDEX POST
A2
A3
1
2
3
Fig.3 Pin configuration (bottom view)
Land
No.
A1
A2
A3
B1
B2
B3
C1
C2
C3
Pin
Name
Vcc1
CSB
SCK
Vcc2
SI
SO
VOUT
GND
LDOEN
I/O
Function
-
IN
IN
-
IN
OUT
OUT
-
IN
Power Supply (EEPROM)
Chip Select Control
Serial Data Clock Input
Power Supply (LDO)
Start Bit, Op.code, Address, Serial Data Input
Serial Data Output
LDO Regulator Output
Ground (0V)
LDO Regulator Enable
●LDO regulator DC operating characteristics (Unless otherwise specified Ta=-30~85℃)
Parameter
Symbol
Specification
Min.
Typ.
Max.
Unit
test condition
Output Voltage1-1 VOUT1-1 2.9
3.0
3.2
V 3.2V≦Vcc2≦3.6V, IOUT=0, 2mA, VSET=1, 0=[1:1]
Output Voltage1-2 VOUT1-2 2.9
3.0
3.1
V 3.2V≦Vcc2≦3.6V, IOUT=2, 10mA, VSET=1, 0=[1:1]
Output Voltage2-1 VOUT2-1 2.8
2.9
3.1
V 3.1V≦Vcc2≦3.6V, IOUT=0, 2mA, VSET=1, 0=[1:0]
Output Voltage2-2 VOUT2-2 2.8
2.9
3.0
V 3.1V≦Vcc2≦3.6V, IOUT=2, 10mA, VSET=1, 0=[1:0]
Output Voltage3-1 VOUT3-1 2.7
2.8
3.0
V 3.0V≦Vcc2≦3.6V, IOUT=0, 2mA, VSET=1, 0=[0:1]
Output Voltage3-2 VOUT3-2 2.7
2.8
2.9
V 3.0V≦Vcc2≦3.6V, IOUT=2, 10mA, VSET=1, 0=[0:1]
Output Voltage4-1 VOUT4-1 2.6
2.7
2.9
V 2.9V≦Vcc2≦3.6V, IOUT=0, 2mA, VSET=1, 0=[0:0]
Output Voltage4-2 VOUT4-2 2.6
2.7
2.8
V 2.9V≦Vcc2≦3.6V, IOUT=2, 10mA, VSET=1, 0=[0:0]
Operating Current ICC
-
-
200
µA Vcc2=3.6V, IOUT=0A
Standby Current
ISB
-
-
1.0
µA Vcc2=3.6V, IOUT=0A, LDOEN=GND
“H” Input Voltage
VIH
1.4
- Vcc2+0.3 V 2.9V≦Vcc2≦3.6V
“L” Input Voltage
VIL
-0.3
-
0.6
V 2.9V≦Vcc2≦3.6V
○This product is not designed for protection against radioactive rays.
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3/16
2010.09 - Rev.A